Authorities are still investigating the "unexplained and sudden" death of the 25-year-old mother of two, but Geldof wrote in her final column that she was "happier than ever."

Geldof described her life before children as one of "wanton wanderlust." Her two children, Astala and Phaedra, however, saved her from "pure apathy."

She also said she struggled to maintain relationships with friends who didn't have children, and who didn't understand her transition to motherhood.

"Now, with a new-found group of mummy mates, both locally and online -- all with the exact same struggles and issues, and who don’t question if my child flings food at their hair or care if there’s a screaming fit in the middle of street -- I’m happier than ever," Geldof wrote. "I’ve achieved a sort of perfect balance. Right now life is good. And being a mum is the best part of it."

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